it's extremely cold in this part of russia, below zero today. schools closed after the windows were blown out. about 20,000 troops have been sent to the scene, as well as three aircraft who are surveying the damage from the sky. scientists say the meteor shower was not related to an asteroid that will fly dangerously close to earth today. but one estimate suggested this meteor was big, perhaps tens of tons. kirit radia, abc news, maoscow. >> the meteor shower is not believed to be related to the massive asteroid passing by earth later today. scientists say it will come within 17,000 miles of our planet, around 2:25 p.m. eastern time. that's closer than weather and communication satellites, believe it or not. so, some cell phone service could be disrupted temporarily. >>> in other news, a major shift for the war in afghanistan. it's been nearly a month since a u.s. service member was killed in the war. the afghans themselves are doing most of the fighting ahead of the pullout next year. and for the first time, that ultraconservative country, fema